4-Port Master Module

The 4-Port IO-Link Master Module includes a complete IO-Link Master and can be easily integrated into existing systems.

The IO-Link Single-Port Master Module can be addressed using simple commands via SPI/USB or UART interfaces. The control telegrams are based on the IO-Link Master Test Interface, as listed in the IO-Link Test Specification.

The module can be controlled either via the TEConcept Control Tool (see USB Master) or via self-written telegrams. For example, a one-time complex configuration of IO-Link devices can be performed using the PC tool (via USB), and process data can be exchanged directly via SPI or UART.

The IO-Link Master Module can be plugged onto an existing board. For development purposes, a baseboard with various interfaces is available.

Upon request, we develop customized applications for the 4-Port Master, which can be used to build small and cost-effective special control systems.

Would you like to integrate IO-Link master functionality directly into your hardware?

Our Master Modules deliver fully tested, IO-Link-compliant master functionality in a compact PCB format — communicating via SPI or UART, ready for OEM series production.
Product Data Sheet

4-Port Master Module Features

  • Compatible with V1.1 IO-Link Specification
  • IO-Link V1.1 compatible stack
  • IO-Link transceiver with protection circuit integrated
  • L+ supply voltage for device is switchable
  • SPI / UART interface for easy master control
  • USB interface for master control using the TEConcept PC control tool
  • Dimensions: 59mm x 33 mm

4-Port Master Module Basic-Board Features

  • 24V supply voltage connection
  • DB-9 connector for serial interface
  • Supply voltage generation for IO-Link Master Module
  • M12 IO-Link connector

Typical Applications for the 4-Port Master Module

  • Seamless integration of IO-Link devices into machine control without PLC.
  • Setup of simple control systems with IO-Link sensors and actuators.

Advantages of the 4-Port Master Module

  • Reduced development effort
  • Compliant IO-Link Master Stack integrated into the module
  • Easy control

IO-Link Master Module, IO-Link USB-C Master or IO-Link Master Stack?

All three solutions offer IO-Link master functionality — but they differ fundamentally in their use case.

The USB-C Master is designed for PC-based use in development and service: it operates directly via USB-C, requires no external power supply, and comes with a full Windows GUI. The IO-Link Master Module, on the other hand, is a compact PCB unit for direct integration into your own hardware — it communicates with the host system via SPI or UART and is designed for OEM use in series production. The IO-Link Master Stack goes a step further: it isn’t hardware, but a licensable software component that integrates IO-Link master functionality directly into your own host platform — for example, a gateway, a PLC, or an embedded system. This offers maximum flexibility in hardware choice, but requires corresponding development resources for integration.

For development, testing, and service in the lab or field, the USB-C Master is the right choice. Once a product moves into series production, either the Master Module as a ready-made hardware component or the Master Stack as a software integration is suitable, depending on the approach.

TEConcept IO-Link 1-Port Master Module

1-Port Master Module

On a minimal footprint of just 43 mm x 33 mm, this module offers an integrated transceiver as well as a full-featured V1.1.4 Master Stack. Communication with your hardware is straightforward via simple telegrams using SPI or UART interfaces. An integrated USB port for the TEConcept Control Tool is also available for easy offline configuration.

TEConcept IO-Link 1-Port USB-C Master

1-Port USB-C Master

The IO-Link 1-Port USB-C Master is the compact development and service tool for engineers who want to parameterize, analyze, and test IO-Link sensors and actuators directly from a PC — without a PLC, without an external power supply. Connected via USB-C, it provides a complete master connection and delivers instant access to process data, parameters, and device events via the included Windows GUI (Control Tool).

Master Stack

A licensable firmware component that integrates IO-Link master functionality as a ready-made protocol layer into your own automation systems, gateways, or field devices. It runs on a wide selection of microcontrollers and IO-Link ASICs from leading semiconductor manufacturers and supports all IO-Link services — including ISDUs, events, data storage, and Interleaved Mode.

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